71766342 has 12 divisors (see below), whose sum is σ = 155493780. Its totient is φ = 23922108.

The previous prime is 71766341. The next prime is 71766377. The reversal of 71766342 is 24366717.

71766342 is a `hidden beast` number, since 7 + 17 + 6 + 634 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 71766297 and 71766306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71766341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1993492 + ... + 1993527.

It is an arithmetic number, because the mean of its divisors is an integer number (12957815).

Almost surely, 2^71766342 is an apocalyptic number.

71766342 is an abundant number, since it is smaller than the sum of its proper divisors (83727438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71766342 is a wasteful number, since it uses less digits than its factorization.

71766342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987027 (or 3987024 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 71766342 is about 8471.5017558872. The cubic root of 71766342 is about 415.5662507799.

The spelling of 71766342 in words is "seventy-one million, seven hundred sixty-six thousand, three hundred forty-two".